1. 1. Which of the following test can only compare a single sample mean to a specified constant. A. Z- Test B. One sample t- Test C. ANOVA D. Chi- Square Test 1. 2. A qualitative variable that incorporates an ordered position, or ranking is known as. A. Ordinal B. Nominal C. Discrete D. Continuous 1. 3. It is the only measure of central tendency that is appropriate for nominally scaled data A. Mean B. Median C. Mode D. Standard deviation 4. The sampling distribution that is centered around the true population parameter is an Indication that the following sample method was utilized. A. Stratified. B. Convenient C. Random. D. Systemic 5. If context were added, which of the following would be an appropriate interpretation for a 95% confidence interval. A. 95% sure the interval contains the parameter B. Both A and C C. 95% chance the interval contains the parameter D. Neither A nor C 6. A mean of a group of data is 45, the data is normally distributed If one element of the data is 60 the Z score for the data set is likely to be which of the following. A. Negative B. Positive C. Greater than the Mean D. Both A and C 7. A characteristic that can vary in value among subjects in a sample or a population is best known as. A. A variable B. A data point C. A central tendency D. A parameter 13. Donald is rolling a number cube labeled 1 to 6, what is the probability of getting a number greater than 5 after one roll. A. 0.5 B. 0.25 C. 0.2 D. 0.167 13. A 95 % of accuracy indicates which of the following. A. 0.95 significance B. 95% significance C. 0.05 significance D. 0.05% significance 14. Multiply SD by -z score (-2.57) and +z score (+2.57) represents which of the following Confidence interval. A. 95% B. 90% C. 97% D. 99% 15. Find the range of this set of data: 114, 109, 131, 96, 140, and 128. A. 34 B. 44 C. 140 D. 96 16. What percentage of the data within a normal distribution fall with 2 standard deviation of the mean. A. 90% B. 95% C. 99% D. 100% 17. The chi square is use when the data set is which of the following. A. Bias or none bias B. Normally distributed C. Valid D, Accurate 18. The one sample t-test is applicable when you wish to compare. A. single sample B. Two samples C. Three samples D. Unlimited samples 19. One major condition to fulfil when using the ANOVA test is to ensure that no sample has more than X times the Variance over the other. A. X= 3 B. X= 4 C. X=2 D. X= 1.5 20. In examining the expected outcome in a typical dihybrid cross with phenotypic ratio 9:3:3:1, the degree of freedom for such a Chi Square test would be A. 1 B.3 C. 4 D. 5